package com.ruoyi.web.controller.system;

import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.ruoyi.common.utils.security.Md5Utils;
import com.ruoyi.framework.util.ShiroUtils;
import com.ruoyi.system.domain.SysUser;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import com.ruoyi.common.core.controller.BaseController;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.utils.ServletUtils;
import com.ruoyi.common.utils.StringUtils;

import java.io.Serializable;
import java.util.Date;

/**
 * 登录验证
 *
 * @author ruoyi
 */
@Controller
public class SysLoginController extends BaseController {
    @GetMapping("/login")
    public String login(HttpServletRequest request, HttpServletResponse response) {
        // 如果是Ajax请求，返回Json字符串。
        if (ServletUtils.isAjaxRequest(request)) {
            return ServletUtils.renderString(response, "{\"code\":\"1\",\"msg\":\"未登录或登录超时。请重新登录\"}");
        }

        return "login";
    }

    @PostMapping("/login")
    @ResponseBody
    public AjaxResult ajaxLogin(String username, String password, Boolean rememberMe) {
        UsernamePasswordToken token = new UsernamePasswordToken(username, password, rememberMe);
        Subject subject = SecurityUtils.getSubject();
        try {
            subject.login(token);
            return success();
        } catch (AuthenticationException e) {
            String msg = "用户或密码错误";
            if (StringUtils.isNotEmpty(e.getMessage())) {
                msg = e.getMessage();
            }
            return error(msg);
        }
    }

    @PostMapping("/loginSso")
    @ResponseBody
    public AjaxResult ajaxLoginSso(String username, String password, Boolean rememberMe) {
        UsernamePasswordToken token = new UsernamePasswordToken(username, password, rememberMe);
        Subject subject = SecurityUtils.getSubject();
        try {
            subject.login(token);
            AjaxResult success = success();
            success.put("url", "/ZHGS_WebSide/WebSide/index_list.html");
            return success;
        } catch (AuthenticationException e) {
            String msg = "用户或密码错误";
            if (StringUtils.isNotEmpty(e.getMessage())) {
                msg = e.getMessage();
            }
            return error(msg);
        }
    }

    @GetMapping("/unauth")
    public String unauth() {
        return "error/unauth";
    }
    //获取当前登陆用户名
    @PostMapping("/getUserInfo")
    @ResponseBody
    public AjaxResult getUserInfo(ServletRequest request, ServletResponse response) {
// 当前登录用户
        SysUser user = ShiroUtils.getSysUser();
        String loginName = user.getLoginName();
        AjaxResult ajaxResult = new AjaxResult();
        ajaxResult.put("loginName", loginName);
        return ajaxResult;
    }
    //组装免登信息
    @PostMapping("/getSsoInfo")
    @ResponseBody
    public AjaxResult getSsoInfo(ServletRequest request, ServletResponse response) {
// 当前登录用户
        SysUser user = ShiroUtils.getSysUser();
        String loginName = user.getLoginName();
        AjaxResult ajaxResult = new AjaxResult();
        ajaxResult.put("username", loginName);
        String pyz = "zhgs_mhxt";
        long timestamp = System.currentTimeMillis();
        String token = Md5Utils.hash(loginName+pyz+timestamp);
        ajaxResult.put("token", token);
        ajaxResult.put("timestamp", timestamp);
        return ajaxResult;
    }

}
